S1142A Datasheet, PDF (22/32 Pages) Seiko Instruments Inc – HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION

HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1142A/B Series
Rev.4.2_00
9. Current consumption during operation vs. Output current (Ta = +25°C)
9. 1 V_OUT = 2.0 V
160
140
120
100
80
60
40
20
0
0 25
VIN = 13.5 V
3.0 V
50 75 100 125 150
IOUT [mA]
9. 2 V_OUT = 5.0 V
160
140
120
100
80
60
40
20
0
0 25
VIN = 13.5 V
6.0 V
50 75 100 125 150
IOUT [mA]
9. 3 V_OUT = 12.0 V
160
140
120
100
80
60
40
20
0
0 25
VIN = 20.0 V
13.0 V
50 75 100 125 150
IOUT [mA]
10. Output current vs. Input voltage^*1
10. 1 V_OUT = 3.3 V
250
200
+25C
150
100
Ta = +85C
50
0
0
10 20 30 40 50
VIN [V]
10. 2 V_OUT = 5.0 V
250
200
150
100
Ta = +85C
50
0
0
10 20 30
VIN [V]
+25C
40 50
*1. When mounted on board
[Mounted board]
(1) Board size:
50 mm × 50 mm × t1.6 mm
(2) Board material: Glass epoxy resin (two layers)
(3) Wiring ratio: Surface approx. 75%, reverse side approx. 90%
(4) Through hole: Diameter 0.5 mm × 24
22
Seiko Instruments Inc.